71629020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397939}}^1$

素因数の和:397954

約数の個数: 36

約数和(自身を含む): 217275240

約数和(自身を除く): 145646220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397939, 795878, 1193817, 1591756, 1989695, 2387634, 3581451, 3979390, 4775268, 5969085, 7162902, 7958780, 11938170, 14325804, 17907255, 23876340, 35814510, 71629020]

約数ペア:

[(1, 71629020), (2, 35814510), (3, 23876340), (4, 17907255), (5, 14325804), (6, 11938170), (9, 7958780), (10, 7162902), (12, 5969085), (15, 4775268), (18, 3979390), (20, 3581451), (30, 2387634), (36, 1989695), (45, 1591756), (60, 1193817), (90, 795878), (180, 397939)]